Distinctive ringing (ring groups only), The section – Aastra Telecom AastraLink Pro 160 User Manual
Page 89
Configuring Groups
41-001190-02 Rev. 01, Rel. 1.2
3-45
Configuring Aastra IP Phone Accounts
Distinctive Ringing (Ring Groups only)
In IP Telephony, different ringing patterns have different frequencies and
cadences. Ring cadence is the ringing pattern heard by the called party, before
they pick up the call. The IP phones use the following Bellcore-specified tones by
default:
Ring Tone Pattern
Note:
Distinctive ring tones apply to SIP extensions only. Any 420d or SIP
phones in a Ring Group receive standard ring tone.
Call Criteria
Bellcore Tones
internal calls
Bellcore-dr2
external calls
Bellcore-dr3
calls with contact list
Bellcore-dr4
calls with specific time frames
Bellcore-dr5